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29 lines
1018 B
Rust
29 lines
1018 B
Rust
// When performing operations on elements within a collection, iterators are
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// essential. This module helps you get familiar with the structure of using an
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// iterator and how to go through elements within an iterable collection.
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//
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// Make me compile by filling in the `???`s
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fn main() {
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// You can optionally experiment here.
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn iterators() {
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let my_fav_fruits = vec!["banana", "custard apple", "avocado", "peach", "raspberry"];
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let mut my_iterable_fav_fruits = ???; // TODO: Step 1
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assert_eq!(my_iterable_fav_fruits.next(), Some(&"banana"));
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assert_eq!(my_iterable_fav_fruits.next(), ???); // TODO: Step 2
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assert_eq!(my_iterable_fav_fruits.next(), Some(&"avocado"));
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assert_eq!(my_iterable_fav_fruits.next(), ???); // TODO: Step 3
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assert_eq!(my_iterable_fav_fruits.next(), Some(&"raspberry"));
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assert_eq!(my_iterable_fav_fruits.next(), ???); // TODO: Step 4
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}
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}
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